Browns leaning too much on Richardson?

UPDATE: Although there are injury and work-overload concerns when it comes to Trent Richardson, if he can prove to be durable, the sky is the limit for his fantasy value. That's why ESPN NFL Insider Matt Williamson has the RB at the top of his list of long-term fantasy keepers. You can read his thoughts at the bottom of this post.

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Dion Lewis was slated for a regular third-down role behind starting running back Trent Richardson before he was felled by a broken leg that may cost him the entire 2013 campaign. Cleveland Browns offensive coordinator Norv Turner granted that losing Lewis was a blow, and they may have to lean more heavily on Richardson as a result.